TAIPEI, Taiwan, April 10 / PRNewswire / -- Rheumatoid arthritis (RA) is a systemic disease or an autoimmune disorder in which the body's defense system attacks the joints through the thin layer of cells called the synovium that lines and lubricates the joints.

JAKARTA, Indonesia, April 9 / PRNewswire / -- Rheumatoid arthritis (RA) is a systemic disease or an autoimmune disorder in which the body's defense system attacks the joints through the thin layer of cells called the synovium that lines and lubricates the joints.

Rheumatoid arthritis (RA) is traditionally considered a chronic, inflammatory autoimmune disorder that causes the immune system to attack the joints and affects in particular a membrane, called synovium, which lines each movable joint.

Probably the best feature of any Bowflex elliptical is that you can trust the Bowflex name Their equipment is built to last a lifetime, whether it's a commercial grade model that is expected to be used constantly or a home model that will stand up to just a few hours per day When you consider that any exercise equipment should be seen as an investment in your overall health and your longevity then you realize that there's no good reason why anyone shouldn't add a Bowflex elliptical machine to their home gym equipment Wherever bones meet, there is also cartilage, a rubbery, protective layer that ensures your joints bend smoothly and painlessly But even cartilage cannot do this tremendous job alone A thin membrane called the "synovium" provides fluid that lubricates the moving parts of the joint When the cartilage wears out of the synovium becomes inflamed, the result is generally a case of "osteoarthritis" or "rheumatoid arthritis"